1 package org.apache.turbine.services.db;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 import java.sql.Connection;
58 import org.apache.torque.Torque;
59 import org.apache.torque.adapter.DB;
60 import org.apache.torque.util.BasePeer;
61 import org.apache.turbine.services.BaseService;
62
63
64 /***
65 * Turbine's default implementation of {@link PoolBrokerService}.
66 *
67 * @author <a href="mailto:frank.kim@clearink.com">Frank Y. Kim</a>
68 * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a>
69 * @author <a href="mailto:greg@shwoop.com">Greg Ritter</a>
70 * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
71 * @author <a href="mailto:magnus@handtolvur.is">Magnús Þór Torfason</a>
72 * @author <a href="mailto:jvanzyl@periapt.com">Jason van Zyl</a>
73 * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
74 * @version $Id: TurbinePoolBrokerService.java,v 1.7 2002/07/12 20:46:55 mpoeschl Exp $
75 * @deprecated use org.apache.torque.Torque instead
76 */
77 public class TurbinePoolBrokerService extends BaseService
78 implements PoolBrokerService
79 {
80 /***
81 * Initialize the connection pool broker.
82 */
83 public void init()
84 {
85 // indicate that the service initialized correctly
86 setInit(true);
87 }
88
89 /***
90 * Return the default pool.
91 */
92 public String getDefaultDB()
93 {
94 return Torque.getDefaultDB();
95 }
96
97 /***
98 * Release the database connections for all pools on service shutdown.
99 */
100 public synchronized void shutdown()
101 {
102 Torque.shutdown();
103 }
104
105 /***
106 * This method returns a DBConnection from the default pool.
107 *
108 * @return The requested connection.
109 * @throws Exception A generic exception.
110 */
111 public Connection getConnection() throws Exception
112 {
113 return Torque.getConnection();
114 }
115
116 /***
117 * This method returns a DBConnection from the pool with the
118 * specified name.
119 *
120 * @param name The name of the pool to get a connection from.
121 * @return The requested connection.
122 * @throws Exception A generic exception.
123 */
124 public Connection getConnection(String name) throws Exception
125 {
126 return Torque.getConnection(name);
127 }
128
129 /***
130 * Release a connection back to the database pool. <code>null</code>
131 * references are ignored.
132 *
133 * @throws Exception A generic exception.
134 */
135 public void releaseConnection(Connection dbconn) throws Exception
136 {
137 BasePeer.closeConnection(dbconn);
138 }
139
140 /***
141 * Returns the database adapter for the default connection pool.
142 *
143 * @return The database adapter.
144 * @throws Exception A generic exception.
145 */
146 public DB getDB() throws Exception
147 {
148 return Torque.getDB(Torque.getDefaultDB());
149 }
150
151 /***
152 * Returns database adapter for a specific connection pool.
153 *
154 * @param name A pool name.
155 * @return The corresponding database adapter.
156 * @throws Exception A generic exception.
157 */
158 public DB getDB(String name) throws Exception
159 {
160 return Torque.getDB(name);
161 }
162 }
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